Abstract: An audio data processor includes: a digital interface configured to transfer first audio data to an external apparatus through a one-way bus and transfers second audio data being in parallel with the first audio data regarding playback time to the external apparatus through an asynchronous two-way bus; and a controller configured to output a bit stream obtained by adding time information for specifying the playback time successively to the first audio data to the one-way bus, acquire an output request issued for each piece of the time information obtained successively from the bit stream from the external apparatus through the asynchronous two-way bus, and output a part of the second audio data corresponding to the time information of the output request through the asynchronous two-way bus.

Abstract: An image data serial signal output from the parallel-serial converting circuit 21 is converted into a differential amplitude signal by the LVDS transmitter 22 in such a manner that the amplitude of the differential voltage of the image data parallel signal varies depending on the value of the synchronization code serial signal. Accordingly, the signal values of the synchronization code serial signal and the image data serial signal are simultaneously transmitted. On the reception side, the differential amplitude signal in which the amplitude of the differential voltage of the image data serial signal varies depending on the value of the synchronization code serial signal is received by the LVDS receiver 31. The signal values of the synchronization code serial signal and the image data serial signal are separated and output based on a predetermined comparison processing.

Abstract: A module (10) connects to a CAN bus in a motor vehicle and converts a CAN message into an analog signal that can be monitored by test equipment. The module also has wireless communication with a PDA (300) via a radio transceiver (28) to allow the PDA to display a converted CAN message and to select different messages for display.

Abstract: An integrated circuit includes: a signal processor, which receives an input signal and generates a processed signal, representing processing information obtained by subjecting the input signal to predetermined processing, and at least one type of internal signal including internal information obtained during the processing; at least one memory storing the processing information; an interface exchanges signals with an external device; and a controller controlling the signal processor, memory and interface. On receiving a first instruction from the external device through the interface, the controller controls the signal processor and memory such that the processing information is once stored in the memory and then output to the external device via the interface. In response to a second instruction, the controller controls the signal processor and memory such that the internal information is once stored in the memory and then output to the external device via the interface.

Abstract: A universal quick port switching method and an associated apparatus are provided. An apparatus for universally and quickly detecting port switching includes a plurality of resistors for receiving a plurality of ground signals from a plurality of receiving ports, respectively; a divided-voltage detecting circuit coupled to the resistors, for generating a predictable divided voltage; and an analog-to-digital converter coupled to the divided-voltage detecting circuit, for generating a digital output according to the predictable divided voltage. The detecting apparatus determines whether the receiving ports are active or not according to the digital output.

Abstract: The invention describes combination I/O modules for automation. Various combinations of inputs and output with different electrical interfaces are offered providing greater flexibility in controller hardware selection.

Abstract: A Video and Audio Front End Assembly and Method. The device and method of this invention takes advantage of the hardware improvements available in personal computing machines that enable higher speed bus communications and much greater computational capacity. The system converts many of the processes needed to convert analog video and audio inputs so that they are displayable by a personal computer from a hardware integrated circuit to a set of software routines. The system combines a simplified hardware front-end interface between the computer and the analog input signals and a very flexible set of software applications running on the host computer. The hardware front end employs an integrated circuit device that is much lower in complexity and cost than the conventional audio/video decoder integrated circuit.

Abstract: A device for obtaining, storing and displaying information from a remote server, the device has a modem for establishing communication sessions with the remote server. A memory coupled to the modem stores the obtained information, and a display is coupled to the memory for displaying the stored information. The device automatically and periodically communicates with the remote server for obtaining the information.

Abstract: In an analog-to-digital converter used to convert and store in buffer registers signals from a plurality of peripheral devices, a mode is provided wherein the processing unit can directly access the buffer registers into which the conversion results have been stored.

Abstract: A method for transmitting audio streams includes providing a USB bus, and transmitting an audio stream through the USB bus by utilizing a bulk transfer mode. The method further includes providing a buffering module, buffering the audio stream in the buffering module to generate a buffered audio stream, performing a digital-to-analog conversion on the buffered audio stream to generate an analog playback signal, and performing an analog-to-digital conversion on an analog recording signal to generate the audio stream.

Abstract: A communications system and method are provided for digitally connecting a plurality of data channels, such as sensors, actuators, and subsystems, to a controller using a network bus. The network device interface interprets commands and data received from the controller and polls the data channels in accordance with these commands. Specifically, the network device interface receives digital commands and data from the controller, and based on these commands and data, communicates with the data channels to either retrieve data in the case of a sensor or send data to activate an actuator. Data retrieved from the sensor is converted into digital signals and transmitted to the controller. Network device interfaces associated with different data channels can coordinate communications with the other interfaces based on either a transition in a command message sent by the bus controller or a synchronous clock signal.

Abstract: Audio data recorded on a hard disk is stored in a memory by a CPU. The audio data stored in the memory is stored in units of channels to be output, in corresponding storage areas within an audio data storage portion by the CPU. As such, in the audio data storage portion, the audio data is stored in different storage areas for respective channels to be output. The audio data stored in the audio data storage portion is converted to analog data by a D/A converter, and output to a prescribed device.

Abstract: A wireless peripheral interface is used for coupling with a Universal Serial Bus (USB) port for connecting a wireless peripheral with a host computer or controller. Wireless peripheral devices (e.g., keyboard, mouse, trackball, touch pad, joysticks, and game controllers) transmit communication signals, e.g., radio frequency (RF) signals, to the peripheral interface, which are received and processed into formats suitable for transmission to the host computer or controller via USB, either alone or in combination with other standard external bus systems, such as serial and PS/2.

Abstract: A KVM switch includes: an inputting portion that is capable of inputting a plurality of video signals output from an information processing apparatus; and a transmitting portion that adds the pieces of identification information of the respective corresponding video signals to the plurality of video signals input by the inputting portion, and transmits the plurality of video signals to which the pieces of identification information are added, to a remote terminal via a network.

Abstract: There is described a periphery unit for an automatic device, which can be actuated as an analog input and as an analog output. A number of connections which are to be used as inputs and the number of connections which are to be used as outputs can be adapted in a flexible manner on the respective application from a predetermined number of connections of the periphery unit. As a result, a redundant automatic device wherein said types of periphery units can be used, is provided.

Abstract: A DVD reproducing device is capable of being connected to a certain external electronic device. The DVD reproducing device includes an external input receiving unit connected with the external electronic device to receive an external input signal from the external electronic device. A key input receiving unit receives a user selection signal for selecting whether or not the external input signal is transformed. An external signal processing unit transforms the external input signal into a certain form according to a user selection signal.

Abstract: In a method for safe data transfer between an intrinsically safe sensor and a non-intrinsically safe computer unit, data transfer occurs via an interface embodied as an Ex-barrier, or via a portable storage medium.

Abstract: A method for operating a signal converter, and a signal converter is disclosed. One embodiment has at least one register and a plurality of input channels, wherein information stored in the register is variably assignable to at least one of the plurality of input channels by one or a plurality of corresponding assignment bits.

Abstract: A method and apparatus is provided for validating a plurality of variable data transmitted in an automobile, comprising generating a control copy and a redundant copy of the variable data, calculating a pre-transmittal cross-check measure using the redundant copy of the variable data, and generating a transmittal message using the control copy of the data and the pre-transmittal cross-check measure.

Abstract: An television apparatus embedded with an optical disk device includes a television unit having a microcomputer for a television and a power source for a television and an optical disk unit having a microcomputer for an optical disk, a power source for the optical disk and an oscillation stop controller. When the output of a start signal from the microcomputer for the television is stopped, the oscillation stop controller detects that the output of the start signal is stopped to stop the supply of electric power to a primary side power source of the power source for the optical disk. The power source for the television supplies the electric power to the microcomputer for the optical disk in place of the power source for the optical disk in accordance with a control signal from the microcomputer for the television.

Abstract: A method and apparatus for compressing uncompressed data by applying a transform prior to the application of a data compression scheme. At decompression time, a transform can be applied after a data decompression scheme has been applied to compressed data.

Abstract: An electronic apparatus such as an audio apparatus enables both digital and analog data to be communicated over a data bus such as a universal serial bus (USB) with a single low-cost connector such as a USB connector. According to an exemplary embodiment, the electronic apparatus includes a connector operative to couple the electronic apparatus to one of a digital device and an analog device. A controller is operative to determine whether the connector is coupled to the digital device or the analog device.

Abstract: A wireless headphone device may include a receiver for receiving a wireless digital signal containing a plurality of digital audio streams combined with control codes according to a predetermined format, a manually operated selector switch for selecting one or more of the plurality of digital audio streams to be produced as audio for the user, and a decoder for extracting the selected audio streams from the received signal in accordance with the predetermined format and for responding to the control codes in the received signal to perform predetermined functions.

Abstract: An interface device (10) provides fast data communication between a host device with input/output interfaces and a data transmit/receive device, wherein the interface device (10) comprises a processor means (13), a memory means (14), a first connecting device (12) for interfacing the host device with the interface device, and a second connecting device (15) for interfacing the interface device (10) with the data transmit/receive device. The interface device (10) is configured by the processor means (13) and the memory means (14) in such a way that, when receiving an inquiry from the host device via the first connecting device (12) as to the type of a device attached to the host device, regardless of the type of the data transmit/receive device, the interface device sends a signal to the host device via the first connecting device (12) which signals to the host device that it is communicating with an input/output device.

Abstract: An interactive electronic device having a master integrated circuit, an analog audio output device and a bus having a single-conductor digital data link and a single-conductor analog data link and a method for transmitting digital data and an associated analog signal are disclosed. The bus is configured to electrically simultaneously couple the master integrated circuit with any combination of a plurality of removable electronic cartridges arranged in any order in any of a plurality of removable cartridge connectors. The master integrated circuit transmits along the digital data link simultaneously to each of the removable cartridge connectors one identification code of a plurality of identification codes, the identification codes being different from any memory address in any of the removable cartridges. The analog data link simultaneously couples all of the removable cartridge connectors with the analog audio output device and transmits analog signal associated with the one identification code.

Abstract: A semiconductor integrated circuit device is provided. The semiconductor integrated circuit device includes a central processing unit (CPU) configured to output first control signals in response to a first clock signal, a first bus connected to the CPU, a bridge circuit connected to the first bus, a second bus connected to the bridge circuit, a plurality of peripheral circuits connected to the second bus, and a clock monitor connected to the first bus or the second bus and configured to output a register value corresponding to a second clock signal to the bridge circuit. The bridge circuit receives the first control signals, generates second control signals based on the register value, and outputs the second control signals to one of the peripheral circuits via the second bus.

Abstract: A method and system for a programmable input/output transceiver is disclosed. A circuit in accordance with the invention includes a programmable transceiver. The programmable transceiver is configured and/or controlled to support an interface standard. A system according to the present invention includes a programmable transceiver and a field-programmable gate array (FPGA) core coupled to program the programmable transceiver.

Abstract: [PROBLEMS] To display, on an external display device, an image with a higher resolution than a screen's resolution of a display belonging to a mobile information communication apparatus. This is achieved only by additionally providing an interface means between the external display device and the mobile information communication apparatus and further additionally providing some functions to a display data generating means originally belonging to the mobile information communication apparatus.

Abstract: A selecting device that receives a digital connector ID signal and that generates a device output signal, the connector ID signal being representative of a connector ID for a connector that receives a server module., the device output signal being indicative of whether the server module is selected as a master server. Generating a signal indicative of an information handling system module rank includes generating a connector ID signal when a module is coupled to a chassis connector having a connector ID associated therewith, the connector ID signal being representative of the connector ID, receiving the connector ID signal at a selecting device, and generating a device output signal using the selecting device, the device output signal being indicative of a module rank.

Abstract: A hybrid data distribution system includes a modulator coupled to an analog device, one or more processors coupled to the modulator, and a database coupled to the one or more processors. The database is configured to store encoded data. The system also includes an Ethernet switch for transmitting the encoded data to a digital device. The Ethernet switch is coupled to each of the database and the digital device. Moreover, the one or more processors are configured to directly or indirectly obtain the encoded data from the database, decode the encoded data, and directly or indirectly transmit the decoded data to the modulator. The modulator is configured to transmit the decoded data to the analog device, and the Ethernet switch is configured to directly or indirectly obtain the encoded data from the database, and to transmit the encoded data to the digital device.

Abstract: Devices for the electrochemical detection of a nucleotide sequence in a fluid are described that include (a) a working electrode and a counter-electrode wherein the working electrode is attached to a biopolymer that has a specific affinity with the nucleotide sequence to be detected; (b) an exchangeable analysis cassette for introducing the fluid wherein the working electrode and the counter-electrode are arranged in the analysis cassette and can be contacted with the fluid; (c) a portable computer arrangement electrically connected with the analysis cassette containing a display and an energy source independent of an electrical supply net and (d) a temperature-regulating element for cooling and/or heating the fluid in the cassette, which is fed from the energy source. Analysis cassettes, systems of analysis cassettes, supplemental modules, and methods for producing analysis cassettes are also described.

Abstract: Methods and Apparatuses are provided for automatically converting a word length of sample data being transmitted over a serial link. A serial interface transmits and/or receives one or more data words comprising digital signals, a bit clock synchronizes transmission of individual bits, and a word clock is used to group the bits into sample words. A desired word length is determined based on the relationship between the bit clock and the word clock during the transmission or reception of a data word. Based on the desired word length, the sample data is either truncated or padded, and an appropriate amount of dither is added to the sample words to reduce the distortion and quantization artifacts introduced by the word length conversion.

Abstract: A circuit card assembly provides signal conditioning for signal discretes in control systems integrating a legacy, distributed processing architecture and a distributed I/O control system. Signal conditioning functions are determined, and the necessary physical circuits to perform the signal conditioning functions are incorporated into a circuit card. The Integrated Signal Conditioning Circuit Card Assembly is installed within the control system between legacy controllers and distributed I/O modules. The Integrated Signal Conditioning Circuit Card Assembly may leave any discrete signal unaltered or otherwise condition discretes with interrupt, interrupt on demand, over-ride, and monitor circuits. The centralized processor accesses and controls the conditioned discretes transmitted over a common hardware connection for use in system feedback and control.

Abstract: An apparatus comprises a first plug to couple the apparatus to a host connection and a second plug to couple the apparatus to a display connection. The apparatus further comprises a metallic transmission medium coupled to the first plug and link extender circuitry coupled to the metallic transmission medium and the second plug. The link extender circuitry including equalization circuitry coupled to the metallic transmission medium to restore voltage levels on signals transmitted on the metallic transmission medium, differential signaling receive circuitry coupled to the equalization circuitry; and differential signaling transmit circuitry coupled to the differential signaling receive circuitry and the second plug.

Abstract: An improved apparatus and method for interfacing a time variant waveform between two hardware environments. In one aspect, the invention comprises a circuit for accurately simulating the output of one or more types of sensing device (e.g., passive bridge pressure transducer) for use with a plurality of different monitoring and/or analysis devices, thereby obviating the need for specialized interface circuitry adapted to each different monitor/analyzer. In one exemplary embodiment, the sensing device comprises a non-invasive blood pressure monitor (NIBPM), which universally interfaces with prior art patient monitors via the interface circuit of the invention. In a second aspect of the invention, an improved NIBPM device incorporating the interface circuit is disclosed. An improved disconnect circuit adapted to sense the status of the electrical connection between the sensing device and monitor is also described.

Abstract: The present invention provides a network device interface and method for digitally connecting a plurality of data channels, such as sensors, actuators, and subsystems, to a controller using a network bus. The network device interface interprets commands and data received from the controller and polls the data channels in accordance with these commands. Specifically, the network device interface receives digital commands and data from the controller, and based on these commands and data, communicates with the data channels to either retrieve data in the case of a sensor or send data to activate an actuator. Data retrieved from the sensor is converted into digital signals and transmitted to the controller. In some embodiments, network device interfaces associated with different data channels coordinate communications with the other interfaces based on either a transition in a command message sent by the bus controller or a synchronous clock signal.

Abstract: A wireless peripheral interface is used for coupling with a Universal Serial Bus (USB) port for connecting a wireless peripheral with a host computer or controller. Wireless peripheral devices (e.g., keyboard, mouse, trackball, touch pad, joysticks, and game controllers) transmit communication signals, e.g., radio frequency (RF) signals, to the peripheral interface, which are received and processed into formats suitable for transmission to the host computer or controller via USB, either alone or in combination with other standard external bus systems, such as serial and PS/2.

Abstract: In a wireless keyboard-video-mouse (“KVM”) system in which a remote computer accesses the video output data of a target computer, a method of providing video data from the target computer to the remote computer, includes obtaining an analog video signal from a target computer; disabling data compression of the video signal; determining a first phase (P) for analog-to-digital (A/D) conversion of the video signal; beginning compression of the video signal; and adjusting the first phase of the A/D conversion to produced a second phase (P?), based, at least in part, on a number of segments required to transmit the compressed video signal.

Abstract: The present invention provides a method for determining concentration of blood glucose by using the change in the rising time. The chemical reaction between the blood glucose and enzyme within the test strip to generate the analog source that used to determine the concentration of the blood glucose in the measuring meter. Thus, the rising curve can be obtained after the analog source is treated, such that the concentration of the blood glucose can be determined.

Abstract: The present method reduces variations in noise and temperature in a mixed-signal circuit including memory. Memory electrically proximate an analog circuit is provided and a digital data word received at the memory. When the data word is not a desired data word, a dummy write to the memory is performed. When the data word is a desired data word, the data word is written to the memory. The mixed-signal circuit includes an analog circuit, memory electrically proximate to the analog circuit and connected to receive digital data words, and a memory controller connected to the memory. The memory controller is operable to cause the memory to write to the memory each of the data words that is a desired data word and additionally to perform a dummy write to memory for each of the data words that is not a desired data word.

Abstract: A recording/reproducing apparatus for recording a received signal as digital data in a file format and for reproducing the digital data stored in the file format includes a memory controller which controls the recording made in a manner such that the digital data continuously received and stored in a buffer memory is stored in a storage unit at a writing speed which is higher than a speed at which the digital data is stored in the buffer memory. In a reproducing mode, the digital data is read from the storage unit into the buffer memory at a reading speed which is higher than a speed at which the digital data is outputted from the buffer memory to the outside.

Abstract: Method and apparatus for playing analog audio in an electronic audio system having multiple audio codecs, only one of which has a direct hardware connection to the analog audio source. First analog audio data is received from the analog audio source at a first audio codec, and converted to digital audio data using the first audio codec. The digital audio data is stored in a memory, and read back from the memory, transferred to a second audio codec. The digital audio data is then converted to second analog audio data using the second audio codec, and output from the second audio codec. An audio controller may be used to store the digital audio data in a loopback buffer within the memory, read the digital audio data from the loopback buffer, and may further be programmed to operate in a prepare loopback state, a loopback running state, and a recording state.

Abstract: DMA controller for mixed signal device. A mixed signal integrated circuit with memory control is disclosed. A data conversion circuit is provided that is operable to receive an analog input signal and convert discrete samples thereof at a predetermined sampling rate to a digital representations thereof as a plurality of digital words. A memory stores the digital words generated by the data conversion circuit. A processor is included on the integrated circuit and operable to access the memory to output select ones of the digital words for processing thereof in accordance with a predetermined processing algorithm. A memory access controller controls access to the memory by the data conversion circuit and the processor.

Abstract: A multi-processor arrangement having an interprocessor communication path between each of every possible pair of processors, in addition to I/O paths to and from the arrangement, having signal processing functions configurably embedded in series with the communication paths and/or the I/O paths. Each processor is provided with a local memory which can be accessed by the local processor as well as by the other processors via the communications paths. This allows for efficient data movement from one processor's local memory to another processor's local memory, such as commonly done during signal processing corner turning operations. The configurable signal processing logic may be configured to host one or more signal processing functions to allow data to be processed prior to its deposit into local memory.

Abstract: The present invention provides a network device interface and method for digitally connecting a plurality of data channels to a controller using a network bus. The network device interface interprets commands and data received from the controller and polls the data channels in accordance with these commands. Specifically, the network device interface receives digital commands and data from the controller, and based on these commands and data, communicates with the data channels to either retrieve data in the case of a sensor or send data to activate an actuator. In one embodiment, the bus controller transmits messages to the network device interface containing a plurality of bits having a value defined by a transition between first and second states in the bits. The network device interface determines timing of the data sequence of the message and uses the determined timing to communicate with the bus controller.

Abstract: The present invention provides a network device interface and method for digitally connecting a plurality of data channels, such as sensors, actuators, and subsystems, to a controller using a network bus. The network device interface interprets commands and data received from the controller and polls the data channels in accordance with these commands. Specifically, the network device interface receives digital commands and data from the controller, and based on these commands and data, communicates with the data channels to either retrieve data in the case of a sensor or send data to activate an actuator. Data retrieved from the sensor is then converted by the network device interface into digital signals and transmitted back to the controller. In one advantageous embodiment, the network device interface is a state machine, such as an ASIC, that operates independent of a processor in communicating with the bus controller and data channels.

Abstract: A global architecture for a serial link connection between two cards which must transmit data across wired media is provided. The architecture comprises a transmitter portion and a receiver portion. The transmitter portion includes a structure and circuitry to take digital bits from a first bit register, such as for example, an eight-bit register or a ten-bit register, and convert these bits into serial analog transmission to the receiver portion. The receiver portion includes a structure and circuitry to sample the analog transmission of the original digital bits and reconvert the analog serial signal of the digital bits corresponding to the original digital bits and store them in a second bit register comparable to the data stored in the original register from which they were selected.

Abstract: The present invention provides a network device interface and method for digitally connecting a plurality of data channels, such as sensors, actuators, and subsystems, to a controller using a network bus. The network device interface interprets commands and data received from the controller and polls the data channels in accordance with these commands. Specifically, the network device interface receives digital commands and data from the controller, and based on these commands and data, communicates with the data channels to either retrieve data in the case of a sensor or send data to activate an actuator. Data retrieved from the sensor is then converted into digital signals and transmitted back to the controller. In one embodiment, the bus controller sends commands and data a defined bit rate, and the network device interface senses this bit rate and sends data back to the bus controller using the defined bit rate.

Abstract: An integrated speech synthesizer with an automatic identification of speaker connections and identification method includes a sound encode register to store encoded digitized sound data, a first digital to analog converter unit connected to the sound encode register to convert the digitized sound data from the sound encode register to a first analog signal and send out the first analog signal from a first output terminal, a second digital to analog converter unit connected to the sound encode register to convert the digitized sound data from the first output terminal to a second analog signal and send out the second analog signal from the first output terminal and a second output terminal, and a state register connected to the first output terminal to store the state of the first output terminal before the speech synthesizer is enabled. The state stored in the state register is used to set up the initial value and other related settings for the speech synthesizer.

Abstract: A programmable driver/equalizer with an alterable FIR enables the equalization of serial links or other transmission systems to adapt to a variety of transmission media, specifically, intersymbol interference (ISI). Current mode differential drive circuits are coupled to a transmission media via a Finite Impulse Response (FIR) filter operating in the Z transform mode. The FIR filter includes A and B coefficient setting circuit, and is coupled to the drivers. The driver circuit also includes A coefficient level driver compensation and B coefficient level driver compensation to reduce self-induced ISI from the driver while the filter coefficients are activated. The coefficient setting circuit receive a combination of control bits to select the appropriate response for the driver to the various transmission media parameters. Adjustments to the driver output current are made at data run lengths exceeding certain values and subsequent adjustments are made for data run lengths exceeding larger values.